<template>
    <div class="mui_numbox">
        <div class="mui-numbox" data-numbox-min='1'>
            <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
            <input id="test" class="mui-input-numbox" type="number" value="1" @change="countChanged" ref="numbox" />
            <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
        </div>
    </div>
</template>
<script>
import mui from '../../lib/mui/js/mui.min.js'
export default {
    data(){
        return{}
    },
    methods:{
        countChanged(){
        //每当文本框被修改的时候，立即把最新的数据通过数据调用传递给父组件，
        // console.log(this.$refs.numbox.value)

        // this.$emit('父组件里面自定义事件名称',参数);
        this.$emit('getcount',parseInt(this.$refs.numbox.value));
        }
        
    },
    mounted(){
        mui(".mui-numbox").numbox()
    },
    props:["max"],
    watch:{
        //属性监听
        max:function(newVal,oldVal){
            mui(".mui-numbox").numbox().setOption("max",newVal)
        }
    }
}
</script>
<style lang="scss" scoped>
    .mui_numbox{
        display: inline-block;
    }
</style>